Which jaw harp is best for a beginner?

Wooden Jew's Harp "Phu Quoq"

Wooden Jew's Harp "Phu Quoq"
Vietnamese Jew's Harps /
Oberton Pro Lab measurements:
Gaps: 150-300 µm (?)
Fundamental frequency: 70-100 Hz (?)
Reed stiffness: 80-120 gf (?)
Frame stiffness: 32767 gf (?)
Reed size: 65x20 mm
Overall dimensions: 95x38x8 mm (?)
Weight: 20 g (85 g with case)
Low quality souvenir wooden jaw harp with quiet sound. Reed is fastened loosely and may not play at all.